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Smart car software update: chronicle of an unacceptable journey.

I recently posted about my very unsatisfactory experience with service personnel while attempting to get a few problems fixed on my Renault Megane.
The mechanics had no clue about how to fix them, but a factory reset of the on-board computer (like on current personal computing devices) did the trick.

I inferred from this fact that updating the software, again like in personal computing devices, was the way to go to avoid facing the same problems in the future and started my long journey to accomplish this.

I followed the manufacturer instructions and downloaded the software downloader on my notebook, inserted in it a 8GB USB flash drive previously initialized in the car and, after a byzantine procedure requiring web interaction to select the updates that then the application would fetch, I started downloading.
Again. And again. And again…

What looked strange is that the download counter made it to the full size, but then continued!
After a few dozens attempts all failed in the same way and with no success in sight I decided to get in touch with the country support.

As a reply to my first contact I received a cut&paste of the standard procedure.
This is a fairly common practice in every sector and makes a lot of sense because most people is not reading the manuals.

Unfortunately I was already following the standard procedure so I replied back with more data including the fact that to get 5.4GB of updated maps the tool had downloaded already over 113GB (from a non-Renault domain) without success.
The solution proposed was to use a larger flash drive.
I could not obtain from them an answer about why to get 5.4GB an empty 8GB drive was not enough.
And a 16GB drive was not a fix for the problem anyway.

During the fruitless exchanges with the support I kept attempting the download until it finally worked. On the 8GB drive.
I believed that even if this was not communicated to me they had fixed whichever issue there was and I was happy with that.

A few months later I found out that it was just one lucky astral alignment.
The situation is back where it was: tens of downloads attempts needed to get an updated version of the maps and failed downloads leave the flash drive in an inconsistent state where the car tries the update anyway only to fail after a few minutes.

I was guessing in my earlier post that the challenges I faced were due to the time needed for the knowledge to move from the top of the manufacturer organization to the service people.
But from my experience attempting to do the software update it looks like I was wrong: even at the country level the manufacturer appears unable to support the smartness they are putting in the vehicles.

According to the discussions I had with a few colleagues in the office other manufacturers have a much smoother user experience.
In my opinion Renault really needs to evolve quickly to stay relevant.